# Siemens 3VA9988-0AB12 Alarm Switch 1CO for 3VA Circuit Breakers

**URL:** https://aio.lv/en/product--siemens-3va99880ab12--3444455
**Data updated:** 2026-05-18 02:47 (EEST)
**Category:** Printer & Copier Parts
**Manufacturer:** Siemens
**Manufacturer code:** 3VA99880AB12
**EAN:** 4042949000075
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 22.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 19.00 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3va99880ab12--3444455

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The Siemens 3VA9988-0AB12 is a high-quality alarm switch designed for 3VA series molded case circuit breakers. This 1CO (changeover) contact provides reliable status signaling for electrical protection systems. It supports a maximum voltage of 240V AC or 250V DC, ensuring precise monitoring and integration into industrial control panels and power distribution infrastructure.

## Long description

The Siemens 3VA9988-0AB12 alarm switch is a precision-engineered component designed specifically for integration with the Siemens 3VA series of molded case circuit breakers. This 1CO changeover contact serves as a critical signaling device, providing reliable feedback on the operational status of the circuit breaker within electrical protection systems. By offering clear status indication, it enhances the monitoring capabilities of power distribution infrastructure and industrial control panels, ensuring that maintenance teams and automated systems are promptly alerted to breaker trips or state changes.
Advantages
This alarm switch offers exceptional reliability and seamless compatibility with the 3VA circuit breaker range, ensuring a perfect fit and consistent performance. Its robust design allows for precise signaling even in demanding industrial environments. The 1CO contact configuration provides versatile switching options, making it an essential tool for comprehensive electrical system monitoring. By facilitating rapid identification of circuit breaker status, it helps minimize downtime and improves the overall safety and efficiency of electrical installations.
Suitable for
Industrial power distribution systems
Electrical control panels
Building automation and monitoring
Protection systems requiring remote status signaling
This device is not suitable for applications involving voltages exceeding 240V AC or 250V DC. It is specifically designed for the Siemens 3VA series and may not be compatible with other circuit breaker brands or older product lines not explicitly listed as compatible.
Key specifications
Contact configuration: 1CO (changeover)
Maximum voltage (AC): 240V
Maximum voltage (DC): 250V
Compatibility: Siemens 3VA series molded case circuit breakers
How to use
The alarm switch is designed for internal installation within the designated Siemens 3VA circuit breaker housing. Before installation, ensure that the main power supply to the circuit breaker is disconnected and locked out to prevent accidental energization. Carefully insert the switch into the specified accessory slot on the breaker, following the mechanical alignment guides. Once seated, connect the control wiring to the terminals according to the electrical schematic of your control panel. After installation, perform a functional test to verify that the switch correctly signals the status of the circuit breaker.
What to consider before purchase
Verify compatibility with your specific 3VA circuit breaker model
Ensure your control circuit voltage does not exceed the specified limits
Confirm that you have the necessary technical expertise for electrical installation
Usage recommendations
Always ensure that the installation is performed by a qualified electrician in accordance with local electrical codes and safety regulations to maintain the integrity of the protection system.

## FAQ

### How much does the Siemens 3VA9988-0AB12 Alarm Switch for 3VA Circuit Breakers cost, and is it available for purchase?

The price is 22.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 09.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Siemens products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Siemens service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/3444455/47612062_large.webp